DE3870979D1 - Verfahren zum spritzgiessen und hergestellte giesslinge. - Google Patents

Verfahren zum spritzgiessen und hergestellte giesslinge.

Info

Publication number
DE3870979D1
DE3870979D1 DE8888303656T DE3870979T DE3870979D1 DE 3870979 D1 DE3870979 D1 DE 3870979D1 DE 8888303656 T DE8888303656 T DE 8888303656T DE 3870979 T DE3870979 T DE 3870979T DE 3870979 D1 DE3870979 D1 DE 3870979D1
Authority
DE
Germany
Prior art keywords
resin
mould cavity
moulding
injection molding
thick walled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE8888303656T
Other languages
English (en)
Inventor
Kunio Yamazaki
Tetsuzi Mitsubishi Ga Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cinpres Gas Injection Ltd
Original Assignee
Cinpres Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14348591&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3870979(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cinpres Ltd filed Critical Cinpres Ltd
Application granted granted Critical
Publication of DE3870979D1 publication Critical patent/DE3870979D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/1703—Introducing an auxiliary fluid into the mould
    • B29C45/1704—Introducing an auxiliary fluid into the mould the fluid being introduced into the interior of the injected material which is still in a molten state, e.g. for producing hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/57—Exerting after-pressure on the moulding material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/812—Venting

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Disintegrating Or Milling (AREA)
DE8888303656T 1987-04-28 1988-04-22 Verfahren zum spritzgiessen und hergestellte giesslinge. Expired - Lifetime DE3870979D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62103227A JPH0788025B2 (ja) 1987-04-28 1987-04-28 偏肉補強部構造を有する合成樹脂成形品の製造法

Publications (1)

Publication Number Publication Date
DE3870979D1 true DE3870979D1 (de) 1992-06-17

Family

ID=14348591

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888303656T Expired - Lifetime DE3870979D1 (de) 1987-04-28 1988-04-22 Verfahren zum spritzgiessen und hergestellte giesslinge.

Country Status (8)

Country Link
US (1) US4923666B1 (de)
EP (1) EP0289230B1 (de)
JP (1) JPH0788025B2 (de)
KR (1) KR950012852B1 (de)
AT (1) ATE75993T1 (de)
DE (1) DE3870979D1 (de)
ES (1) ES2032962T3 (de)
GR (1) GR3005293T3 (de)

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US5076778A (en) * 1989-05-29 1991-12-31 Schade Kg Arrangement for producing a hollow shaped body
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US5728325A (en) * 1994-04-05 1998-03-17 Blankenburg; Karl Gas assist injection molding apparatus and method with multiple temperature gas supply
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US5441680B1 (en) * 1994-05-02 1997-04-29 Milko G Guergov Method and apparatus for injection molding
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US5670112A (en) * 1995-02-23 1997-09-23 Dynamic Mixer, Inc. Multiphase matter introduction with a plasticating screw arrangement
JP2936457B2 (ja) * 1995-03-14 1999-08-23 橋本フォーミング工業株式会社 合成樹脂製枠を有する車両用ウインドゥ
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TW296361B (de) * 1995-06-26 1997-01-21 Kakizaki Seisakusho Kk
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EP1017734B1 (de) * 1997-09-16 2002-08-28 Novartis AG Vernetzbare polyharnstoffpolymere
DE19750523B4 (de) * 1997-11-14 2007-08-02 Vereinigung zur Förderung des Instituts für Kunststoffverarbeitung in Industrie und Handwerk an der RWTH Aachen Verfahren zur Herstellung verrippter Bauteile nach der Gasinjektionstechnik
US6000925A (en) * 1997-12-22 1999-12-14 Alexander V. Daniels Gas assisted injection molding system
US5975601A (en) * 1998-04-22 1999-11-02 O. Ames Co. One-piece hand-held gardening tool
US6171543B1 (en) 1998-04-30 2001-01-09 Tokai Kogyo Co., Ltd. Rocker panel construction
US6099284A (en) * 1998-07-13 2000-08-08 Green Tokai, Co., Ltd. Pressure-activated gas injection valve for an injection molding apparatus
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US6318586B1 (en) 1998-12-18 2001-11-20 Menasha Corporation Plastic tote box improvements
US6357366B1 (en) 1999-02-05 2002-03-19 Menasha Corporation Rackable molded pallet
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GB2361892A (en) * 2000-05-03 2001-11-07 Cinpres Ltd Method and apparatus for injection moulding plastics material
US6877974B2 (en) * 2000-12-22 2005-04-12 Acushnet Company Split vent pin for injection molding
US20040207131A1 (en) * 2001-02-28 2004-10-21 Ronald Thomas Apparatus and process for pressure assisted molding of hollow articles
US6767487B2 (en) 2001-07-10 2004-07-27 Cinpres Gas Injection Ltd. Plastic expulsion process
TW548173B (en) † 2001-07-10 2003-08-21 Cinpres Gas Injection Ltd Process and apparatus for injection moulding a hollow plastics article
US20060138714A1 (en) * 2002-07-05 2006-06-29 Yasushiro Suzuki Method of manufacturing resin mold product
US6890477B2 (en) 2003-03-25 2005-05-10 Lear Corporation Plastic injection molded articles with hollow rib members
US6899843B2 (en) 2003-03-25 2005-05-31 Lear Corporation Plastic injection molding with moveable mold members forming speaker grill
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US7182892B2 (en) * 2004-04-30 2007-02-27 Lear Corporation Gas assisted injection molding with fixed volume gas reservoir and temperature control
US7320765B2 (en) * 2004-04-30 2008-01-22 International Automotive Components Group North America, Inc. Gas pin for thermocouple for gas assisted injection molding
US20060101735A1 (en) * 2004-09-29 2006-05-18 Silver Line Building Products Corp. Integrally reinforced plastic molded components and products
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JP5242486B2 (ja) 2009-04-10 2013-07-24 アァルピィ東プラ株式会社 中空体の製造方法
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Also Published As

Publication number Publication date
US4923666A (en) 1990-05-08
KR880012338A (ko) 1988-11-26
KR950012852B1 (ko) 1995-10-23
JPH0788025B2 (ja) 1995-09-27
US4923666B1 (en) 1995-02-14
ES2032962T3 (es) 1993-03-01
JPS63268611A (ja) 1988-11-07
EP0289230B1 (de) 1992-05-13
EP0289230A2 (de) 1988-11-02
ATE75993T1 (de) 1992-05-15
GR3005293T3 (de) 1993-05-24
EP0289230A3 (en) 1989-10-18

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8310 Action for declaration of annulment
8327 Change in the person/name/address of the patent owner

Owner name: CINPRES GAS INJECTION LTD., TAMWORTH, STAFFORDSHIR

8313 Request for invalidation rejected/withdrawn